1 /*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkRefCnt.h"
9 #include "SkTRefArray.h"
10 #include "SkThreadUtils.h"
11 #include "SkTypes.h"
12 #include "SkWeakRefCnt.h"
13 #include "Test.h"
14
15 class InstCounterClass {
16 public:
InstCounterClass()17 InstCounterClass() { fCount = gInstCounter++; }
InstCounterClass(const InstCounterClass & src)18 InstCounterClass(const InstCounterClass& src) {
19 fCount = src.fCount;
20 gInstCounter += 1;
21 }
~InstCounterClass()22 virtual ~InstCounterClass() { gInstCounter -= 1; }
23
24 static int gInstCounter;
25 int fCount;
26 };
27
28 int InstCounterClass::gInstCounter;
29
test_refarray(skiatest::Reporter * reporter)30 static void test_refarray(skiatest::Reporter* reporter) {
31 REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
32
33 const int N = 10;
34 SkTRefArray<InstCounterClass>* array = SkTRefArray<InstCounterClass>::Create(N);
35
36 REPORTER_ASSERT(reporter, 1 == array->getRefCnt());
37 REPORTER_ASSERT(reporter, N == array->count());
38
39 REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
40 array->unref();
41 REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
42
43 // Now test the copy factory
44
45 int i;
46 InstCounterClass* src = new InstCounterClass[N];
47 REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
48 for (i = 0; i < N; ++i) {
49 REPORTER_ASSERT(reporter, i == src[i].fCount);
50 }
51
52 array = SkTRefArray<InstCounterClass>::Create(src, N);
53 REPORTER_ASSERT(reporter, 1 == array->getRefCnt());
54 REPORTER_ASSERT(reporter, N == array->count());
55
56 REPORTER_ASSERT(reporter, 2*N == InstCounterClass::gInstCounter);
57 for (i = 0; i < N; ++i) {
58 REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
59 }
60
61 delete[] src;
62 REPORTER_ASSERT(reporter, N == InstCounterClass::gInstCounter);
63
64 for (i = 0; i < N; ++i) {
65 REPORTER_ASSERT(reporter, i == (*array)[i].fCount);
66 }
67 array->unref();
68 REPORTER_ASSERT(reporter, 0 == InstCounterClass::gInstCounter);
69 }
70
bounce_ref(void * data)71 static void bounce_ref(void* data) {
72 SkRefCnt* ref = static_cast<SkRefCnt*>(data);
73 for (int i = 0; i < 100000; ++i) {
74 ref->ref();
75 ref->unref();
76 }
77 }
78
test_refCnt(skiatest::Reporter * reporter)79 static void test_refCnt(skiatest::Reporter* reporter) {
80 SkRefCnt* ref = new SkRefCnt();
81
82 SkThread thing1(bounce_ref, ref);
83 SkThread thing2(bounce_ref, ref);
84
85 thing1.setProcessorAffinity(0);
86 thing2.setProcessorAffinity(23);
87
88 SkASSERT(thing1.start());
89 SkASSERT(thing2.start());
90
91 thing1.join();
92 thing2.join();
93
94 REPORTER_ASSERT(reporter, ref->getRefCnt() == 1);
95 ref->unref();
96 }
97
bounce_weak_ref(void * data)98 static void bounce_weak_ref(void* data) {
99 SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
100 for (int i = 0; i < 100000; ++i) {
101 if (ref->try_ref()) {
102 ref->unref();
103 }
104 }
105 }
106
bounce_weak_weak_ref(void * data)107 static void bounce_weak_weak_ref(void* data) {
108 SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
109 for (int i = 0; i < 100000; ++i) {
110 ref->weak_ref();
111 ref->weak_unref();
112 }
113 }
114
test_weakRefCnt(skiatest::Reporter * reporter)115 static void test_weakRefCnt(skiatest::Reporter* reporter) {
116 SkWeakRefCnt* ref = new SkWeakRefCnt();
117
118 SkThread thing1(bounce_ref, ref);
119 SkThread thing2(bounce_ref, ref);
120 SkThread thing3(bounce_weak_ref, ref);
121 SkThread thing4(bounce_weak_weak_ref, ref);
122
123 thing1.setProcessorAffinity(0);
124 thing2.setProcessorAffinity(23);
125 thing3.setProcessorAffinity(2);
126 thing4.setProcessorAffinity(17);
127
128 SkASSERT(thing1.start());
129 SkASSERT(thing2.start());
130 SkASSERT(thing3.start());
131 SkASSERT(thing4.start());
132
133 thing1.join();
134 thing2.join();
135 thing3.join();
136 thing4.join();
137
138 REPORTER_ASSERT(reporter, ref->getRefCnt() == 1);
139 REPORTER_ASSERT(reporter, ref->getWeakCnt() == 1);
140 ref->unref();
141 }
142
DEF_TEST(RefCnt,reporter)143 DEF_TEST(RefCnt, reporter) {
144 test_refCnt(reporter);
145 test_weakRefCnt(reporter);
146 test_refarray(reporter);
147 }
148